This standard specifies the general requirements, special prescription and inspection rules for the installation of the external lighting and light-signalling devices for motor vehicles and their trailers.
This standard is applicable to Categories M, N and O motor vehicles and their trailers.
2 Normative references
The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition (including any amendments) applies.
GB/T 3977 Specification of colors
GB 4094 Symbols for controls, indicators and tell-tales of motor vehicles
GB 4599 Motor vehicle headlamps equipped with filament lamps
GB 4660 Photometric characteristics of power-driven vehicle front fog lamps
GB 5920 Photometric characteristics of front and rear position lamps, end-outline marker lamps and stop lamps for motor vehicles and their trailers
GB 11554 Photometric characteristics of rear fog lamp for power-driven vehicles and their trailers
GB 11564 Retro-reflector device for motor vehicles
GB 12676 Technical requirements and testing methods for commercial vehicle and trailer braking systems
GB 15235 Photometric characteristics of reversing lamps for power-driven vehicles
GB 15766.1 Lamps for road vehicles - Dimensional, electrical and luminous requirements
GB 17509 Photometric characteristics of direction indicators for motor vehicles and their trailers
GB 18099 Photometric characteristics of side-marker lamps for motor vehicles and their trailers
GB 18408 Photometric characteristics of devices for the illumination of rear registration plates of motor vehicles and their trailers
GB 18409 Photometric characteristics of parking lamps for power-driven vehicles
GB 21259 Headlamps equipped with gas-discharge light sources for motor vehicle
GB/T 21260 Headlamp cleaner
GB 21670 Technical requirements and testing methods for passenger car braking systems
GB 23254 Retro-reflective markings for trucks and trailers
GB 23255 Photometric characteristics of daytime running lamps for power driven vehicles
GB 25990 Rear-marking plates for vehicles and their trailers
GB 25991 Automotive headlamps with LED light sources and/or LED modules
GB/T 30036-2013 Adaptive front-lighting system for motor vehicles
GB/T 30511 Photometric characteristics of cornering lamps for motor vehicle
ECE R37 Uniform provisions concerning the approval of filament lamps for use in approved lamp units of power-driven vehicles and of their trailers
3 Terms and definitions
For the purpose of this document, the following terms and definitions apply.
3.1
type test
the type test on a certain vehicle type with regard to the number and mode of installation of external lighting and light-signalling devices
3.2
vehicle type with regard to the installation of lighting and light-signalling devices
Vehicles that do not differ in the following contents are considered to be of the same vehicle type:
——profile and size of the vehicle;
——number and position of installations;
——headlamp dimming device;
——suspension system.
Under the following circumstance, the vehicles can be regarded as the same type: some differences between vehicles in the above aspects don’t change the variety, quantity, position, geometric visibility, passing beam inclination and installation of optional lamps or not.
3.3
transverse plane
the vertical plane orthogonal to the longitudinal symmetry plane of the vehicle
3.4
unladen vehicle
the vehicle without driver, attendant, passenger or load, but with sufficient fuel, spare tire and common tools.
3.5
laden vehicle
the vehicle that the maximum mass is technologically allowed by the loading manufacturer, with the loading conditions distributed on the axle
Note: see Annex A for loading conditions.
3.6
lighting and light-signalling device
a unit, group of units or installation unit that is used to realize one or more functions
3.6.1
lighting function
the function of lighting up the object on the traveling road or in the traveling direction of the vehicle
3.6.2
light-signalling function
the function of sending or reflecting light signals to other road users, to indicate the presence of the vehicle or the change of the motion state
3.7
light source
one or several luminary(ies), which may consist of one or more lampshades and one lamp cap for mechanical and electrical connection
3.7.1
replaceable light source
the light source that can be inserted into and taken out from the lamp holder without tools
3.7.2
non-replaceable light source
the light source that is fixed in the light source module or lighting unit and can only be replaced integrally with the light source module or lighting unit
